"I'm heartbroken seeing this and go to that park to feed them at least twice a week shocking and really hope they get some serious punishment!! How evil and possibly quite dangerous to humans in later life."

Liz Lord said: "Omg proper shocking ..absolute scum of the Earth. CCTV should be put in around all lakes where there's wildlife as more attacks are happening."

Sharron Burrell said: "The fact that (they're) actually wandering around with a screwdriver is worrying!! Hate abuse of any kind but that’s senseless and cruel."

Anne Marie Marshall said: "That's awful. Just why would anyone even consider such a thing is beyond me? Hope they get found out, named and shamed."

Vicki Milburn said: "What has that poor cygnet ever done to anyone? This society is getting worse and worse. There is no pride in surroundings, no respect for people, places or animals and no value for anything. I am feeling sick.

Trish Atkinson-was Dalton said: "Absolutely shocking,I dread to think what type of person is walking the streets and what they could do next."